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802397 = 3372381
BaseRepresentation
bin11000011111001011101
31111202200102
43003321131
5201134042
625110445
76551231
oct3037135
91452612
10802397
114a8942
12328425
132212bb
1416c5c1
1510cb32
hexc3e5d

802397 has 4 divisors (see below), whose sum is σ = 805116. Its totient is φ = 799680.

The previous prime is 802387. The next prime is 802421. The reversal of 802397 is 793208.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 64516 + 737881 = 254^2 + 859^2 .

It is a cyclic number.

It is not a de Polignac number, because 802397 - 28 = 802141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 802397.

It is not an unprimeable number, because it can be changed into a prime (802357) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 854 + ... + 1527.

It is an arithmetic number, because the mean of its divisors is an integer number (201279).

2802397 is an apocalyptic number.

It is an amenable number.

802397 is a deficient number, since it is larger than the sum of its proper divisors (2719).

802397 is a wasteful number, since it uses less digits than its factorization.

802397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 802397 is about 895.7661525197. The cubic root of 802397 is about 92.9243999632.

The spelling of 802397 in words is "eight hundred two thousand, three hundred ninety-seven".

Divisors: 1 337 2381 802397